org.guvnor.test.WeldJUnitRunner Maven / Gradle / Ivy
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.guvnor.test;
import org.jboss.weld.environment.se.Weld;
import org.jboss.weld.environment.se.WeldContainer;
import org.junit.runner.notification.RunNotifier;
import org.junit.runners.BlockJUnit4ClassRunner;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.InitializationError;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Simple JUnit test runner which automatically takes care of starting Weld container before the test runs and stopping
* the Weld after the test finishes.
*
* The test class can also use all CDI constructs (like @Inject). For example the test can inject BeanManager:
* ...
* @Inject private BeanManager beanManager;
* ...
*
* Use @RunWith annotation to specify the runner for the test class: {@code @RunWith(WeldJUnitRunner.class)
*/
public class WeldJUnitRunner extends BlockJUnit4ClassRunner {
private static final Logger logger = LoggerFactory.getLogger(WeldJUnitRunner.class);
private final Class testClass;
private Weld weld;
private WeldContainer weldContainer;
/**
* Creates a WeldJUnitRunner to run {@code testClass}
* @param testClass
* @throws InitializationError if the test class is malformed.
*/
public WeldJUnitRunner(Class testClass) throws InitializationError {
super(testClass);
this.testClass = testClass;
}
@Override
protected Object createTest() throws Exception {
return weldContainer.instance().select(testClass).get();
}
@Override
public void runChild(final FrameworkMethod method,
RunNotifier notifier) {
startWeld();
try {
super.runChild(method,
notifier);
} finally {
stopWeld();
}
}
private void startWeld() {
logger.debug("Starting Weld for test class " + testClass.getCanonicalName());
weld = new Weld(testClass.getCanonicalName());
weldContainer = weld.initialize();
}
private void stopWeld() {
logger.debug("Stopping Weld for test class " + testClass.getCanonicalName());
if (weld != null) {
weld.shutdown();
}
}
}